They already were. Official documentation in the US is apparently very permissive with who is "white" for anyone except Hispanics, blacks and East Asians, and I'm not really sure on the former.
That's why there was so much effort to get an official MENA category.
And the Census Bureau will for the first time include Middle Eastern/North African as a separate racial/ethnic category for respondents with that heritage. Until now, Middle Eastern people who did not choose a race were treated as a subcategory under “white,” based on a 1944 court ruling...
incels.is